For starters and for those whose demands are only to monitor their heart rate during regular exercise, Polar provides the F series. The F5, F4, F4 female, FS3, FS3c, FS2, FS2c, FS1 plus the F1, F2, and the F3. These Polar heart rate monitors are guide users during light exercises. For a more functional heart rate monitor that can either maintain or improve your present health and fitness condition, there are the Polar F6, F6 female, F11, F11 female, F55, F55 female, and the F92ti to help you. These two works hand-in-hand to provide the most accurate heart rate reading- far better that the manual method. The transmitter is usually strapped on the chest that calculates the current heart rate. It would then transmit the data to the receiver which is usually worn on the wrist. But sometimes, this type of heart rate monitor can give be very inconvenient to users since the strap may not fit on the chest. But if you do not have a fitness expert to guide you, there is one device that could replace them: heart rate monitor. Heart rate monitor is designed to be the ultimate exercise companion even if fitness trainers are available. Heart rate monitor gives virtually the same expertise with that of a fitness trainer. A wristwatch heart rate monitor would only have to be worn on the wrist without interfering with the exercise. It is light, compact, and stylish which would make it more wearable. Wearing a wristwatch heart rate monitor would still give you the freedom to move in ways you want to. 5. Training convenience. But a more accurate technology is being capitalized by Timex to their heart rate monitor. The FM technology makes it easier to have a precise heart beat rating within 3 heart beats per minute. This digital technology is also effective in assuring that the Timex heart rate monitor would not interfere nor receive interference with other heart rate monitors nearby. Actually, Liz realized this after she gave birth to her third child. While she aimed to achieve this, the market had yet to have the suitable product that would answer this. Since, there was no time to read product level on eat food she buys, there was a great need to what she thought a device that would lessen the worry and reduce the time wasted on check what food to buy and what s not.